1. Pouch used in the shipment of mail
   - mail pouch, postbag [Brit] 
2. Letter carrier's shoulder bag
   "in Britain they call a mailbag a postbag"
   - postbag [Brit]

Derived forms: mailbags

Type of: bag, pouch

• black mustard
• black nightshade
• black oak
• black olive
• black opal
• black operation
• Black Panther
• Black Panthers
• black pea
• black pepper
• Black person
• black pine
• Black Plague
• black poplar
• Black Prince
• black pudding
• Black race
• black racer
• black raspberry
• black rat
• black rat snake
• black rhinoceros
• Black Rock Desert
• black rockweed
• black root rot fungus